CVE-2015-8539
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.4之前版本的KEYS子系统中存在安全漏洞。本地攻击者可借助特制的keyctl命令利用该漏洞造成拒绝服务（BUG）或获取权限。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1548.002 · Bypass User Account Control
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I. Basic Information for CVE-2015-8539
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel KEYS子系统安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.4之前版本的KEYS子系统中存在安全漏洞。本地攻击者可借助特制的keyctl命令利用该漏洞造成拒绝服务（BUG）或获取权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2015-8539
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2015-8539 (2)
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Oh noes! x_refsource_CONFIRM
Vendor Advisories for CVE-2015-8539 (6)
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https://bugzilla.redhat.com/show_bug.cgi?id=1284450 x_refsource_CONFIRM
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Mailing List Discussions for CVE-2015-8539 (15)
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http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00011.html vendor-advisory x_refsource_SUSE
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Same Patch Batch · n/a · 2016-02-08 · 27 CVEs total
| CVE-2016-2230 | OpenELEC和RasPlex 安全漏洞 | |
| CVE-2016-0728 | Linux kernel 安全漏洞 | |
| CVE-2016-0723 | Linux kernel‘tty_ioctl’函数竞争条件漏洞 | |
| CVE-2015-8787 | Linux kernel‘nf_nat_redirect_ipv4’函数拒绝服务漏洞 | |
| CVE-2015-8785 | Linux kernel‘fuse_fill_write_pages’函数本地拒绝服务漏洞 | |
| CVE-2015-8767 | Linux kernel 拒绝服务漏洞 | |
| CVE-2015-8709 | Linux kernel 安全漏洞 | |
| CVE-2015-8575 | Linux kernel 本地信息泄露漏洞 | |
| CVE-2015-7566 | Linux kernel‘clie_5_attach’函数拒绝服务漏洞 | |
| CVE-2015-7550 | Linux kernel‘keyctl_read_key’函数本地拒绝服务漏洞 | |
| CVE-2015-7513 | Linux kernel 拒绝服务漏洞 | |
| CVE-2013-4312 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2016-0603 | Oracle Java SE Install子组件安全漏洞 | |
| CVE-2014-9757 | Atlassian Bamboo Ignite Realtime Smack XMPP API 安全漏洞 | |
| CVE-2016-2201 | Siemens SIMATIC S7-1500 CPU 安全漏洞 | |
| CVE-2016-2200 | Siemens SIMATIC S7-1500 CPU 拒绝服务漏洞 | |
| CVE-2015-2012 | IBM WebSphere MQ WMQ Telemetry 安全漏洞 | |
| CVE-2016-2268 | Dell SecureWorks app for iOS 安全漏洞 | |
| CVE-2016-2214 | Huawei Agile Controller-Campus 跨站脚本漏洞 | |
| CVE-2016-2091 | libdwarf 拒绝服务漏洞 |
Showing top 20 of 27 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2015-8539
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